html,body{
  margin: 0;
  padding: 0;
  font-size: 14px;
  height: 100%;
  background: url(../images/sandbox-bg.jpg) no-repeat;
  background-size: cover;
  transition: background-position .2s;
  color: #fff;
  line-height: 1.5;
}
ul{
  list-style: none;
  padding: 0;
  margin: 0;
}
*{
  box-sizing: border-box;
}
.sandbox{
  height: 100%;
}
.main{
  margin: 0 20vw;
  height: 100%;
}
.left,.right{
  position: fixed;
  left: 10px;
  top: 10px;
  width: 20vw;
  bottom: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.right{
  left: auto;
  right: 10px;
}

.chart{
  padding: 10px;
  min-height: 200px;
  border: solid 2px #ddebfc;
  background: #28517f94;
  box-shadow: 0 0 10px rgba(255,255,255,.5);
  border-radius: 2px;
  position: relative;
  .chart-title{
    display: inline-block;
    content: attr(data-title);
    top: 0;
    left: 50%;
    color: #ddebfc;
    transform: translate(-50%,-50%);
    position: relative;
    &::after,&::before{
      content: '';
      display: inline-block;
      height: 1px;
      background: #dcdee2;
      left: 0;
      right: 0;
    }
  }

}